从web工程的src目录下读取.properties文件
import org.apache.log4j.Logger;import java.io.File;import java.io.IOException;import java.io.InputStream;import java.util.Properties;public class FtpURLUtil{ /** * 日志组件 */ private static Logger logger = Logger.getLogger(FtpURLUtil.class.getName()); private static FtpURLUtil instance = null; /** * 用于存放上传文件的目录 */ private String uploadPath; /** * 配置文件名称 */ private String configFileString = "ftpURL.properties"; /** * 读取文件后的结果 */ private String exeResult; /** * 只允许创建一个实例对象 */ private FtpURLUtil() { } /** * 创建本类的单例 * <p/> * getInstance(单例) * * @return FtpURLUtil对象 */ public static FtpURLUtil getInstance() { if (instance == null) { instance = new FtpURLUtil(); } return instance; } /** * 读取配置文件 * * @return boolean */ public boolean readConfigFile() { //读取配置文件 InputStream inputStream = this.getClass().getClassLoader().getResourceAsStream(configFileString); //读路径出错，换另一种方式读取配置文件 if (null == inputStream) { logger.error("read config file failed."); this.exeResult = "upload_read_config_file_failed"; return false; } //读取配置文件中的appid和moduleId Properties p = new Properties(); try { p.load(inputStream); } catch (IOException e1) { logger.error("Load config file failed." + e1); this.exeResult = "upload_load_config_file_failed"; return false; } //得到文件路径 this.uploadPath = p.getProperty("path"); //判断文件路径是否存在 try { File filePath = new File(this.uploadPath.trim()); if (!filePath.exists()) { this.exeResult = "upload_file_path_no_exist"; return false; } } catch (Exception e) { logger.error("read filepath failed." + e); this.exeResult = "upload_file_path_no_exist"; return false; } return true; } public String getExeResult() { return exeResult; } public void setExeResult(String exeResult) { this.exeResult = exeResult; } public String getUploadPath() { return uploadPath; } public void setUploadPath(String uploadPath) { this.uploadPath = uploadPath; }}